<?php declare(strict_types=1);
/**
 * Dashboard Widgets
 *
 * @package wp-fail2ban
 * @since   4.4.0   Require PHP 7.4
 * @since   4.3.0
 */
namespace org\lecklider\charles\wordpress\wp_fail2ban;

if ( ! defined( 'ABSPATH' ) || ( defined( 'WP_FAIL2BAN_DISABLE_LAST_LOG' ) && false === WP_FAIL2BAN_DISABLE_LAST_LOG ) ) {
	return;
}

/**
 * Last 5 Messages Widget
 *
 * @since  4.4.0    Add return type
 * @since  4.3.0
 *
 * @return void
 */
function dashboard_widget_last_messages(): void {
	$messages = dashboard_widget_last_messages_data();

	printf(
		'<table><thead><tr><th class="dt">%s</th><th>%s</th><th>%s</th></tr></thead><tbody>',
		__( 'Date/Time', 'wp-fail2ban' ),
		__( 'Priority', 'wp-fail2ban' ),
		__( 'Message', 'wp-fail2ban' )
	);
	if ( count( $messages ) ) {
		$alt = true;
		foreach ( $messages as $message ) {
			printf(
				'<tr class="%s"><td class="dt"><nobr><tt>%s&nbsp;Z</tt></nobr></td><td class="priority-%s">%s</td><td>%s</td></tr>',
				$alt ? 'alternate' : '',
				$message['dt'],
				strtolower( $message['lvl'] ),
				$message['lvl'],
				$message['msg']
			);
			$alt = ! $alt;
		}
	} else {
		printf( '<tr><td colspan="3"><em>%s</em></td></tr>', __( 'No messages found.', 'wp-fail2ban' ) );
	}
	echo '</tbody>';

	if ( null === ( $tfoot = apply_filters( __METHOD__ . '::tfoot', null ) ) ) {
		$dismiss = 'wp-fail2ban-' . WP_FAIL2BAN_VER2 . '-last-5-messages-upgrade';
		if ( array_key_exists( $dismiss, $_GET ) ) {
			update_site_option( $dismiss, intval( $_GET[ $dismiss ] ) );
		}
		if ( get_site_option( $dismiss, 1 ) ||
			array_key_exists( $dismiss . '-debug', $_GET ) ) {
			$tfoot .= sprintf(
				'<tr><td colspan="3"><a href="%s">%s</a><div class="dismiss"><a href="%s" style="text-decoration: none;" title="%s">%s</a></div></td></tr>',
				network_admin_url( 'admin.php?page=wp-fail2ban-menu-pricing' ),
				__( 'Upgrade for a full log of new events', 'wp-fail2ban' ),
				network_admin_url( "?{$dismiss}=0" ),
				'Dismiss',
				'<span class="dashicons dashicons-no-alt"></span>'
			);
		}
	}
	echo "<tfoot>{$tfoot}</tfoot>";

	echo '</table>';
}

/**
 * Helper: get last messages data
 *
 * @since  4.4.0    Add return type
 * @since  4.3.4.0
 *
 * @return array
 */
function dashboard_widget_last_messages_data(): array {
	$data = array();

	if ( ! is_array( $messages = get_site_option( 'wp-fail2ban-messages', array() ) ) ) {
		$messages = array();
	}
	foreach ( $messages as $message ) {
		$data[] = array(
			'dt'  => str_replace( ' ', '&nbsp;<wbr>', $message['dt'] ),
			'lvl' => $message['lvl'],
			'msg' => str_replace( '&colon;', '&colon;<wbr>', htmlentities( $message['msg'], ENT_SUBSTITUTE | ENT_HTML5, 'UTF-8' ) ),
		);
	}

	return $data;
}

/**
 * Hook: heartbeat_received
 *
 * @since  5.0.0    Remove return type and $response type to handle other broken plugins
 * @since  4.4.0    Add return type
 * @since  4.3.4.0
 *
 * @param  array $response
 * @param  array $data
 *
 * @return array
 *
 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
 */
function heartbeat_received( $response, array $data, string $screen_id ) {
	if ( isset( $data['wp_fail2ban'] ) && 'wp_fail2ban_last_messages' == $data['wp_fail2ban'] ) {
		$response['wp-fail2ban-last-messages'] = dashboard_widget_last_messages_data();
	}
	return $response;
}
add_filter( 'heartbeat_received', __NAMESPACE__ . '\heartbeat_received', 10, 3 );

/**
 * wp_dashboard_setup action hook
 *
 * @since  4.4.0    Add return type
 * @since  4.3.0
 *
 * @return void
 *
 * @see https://codex.wordpress.org/Function_Reference/wp_add_dashboard_widget
 */
function wp_dashboard_setup(): void {
	if ( ( ! is_multisite() && current_user_can( 'manage_options' ) ) ||
		( is_network_admin() && current_user_can( 'manage_network_options' ) ) ) {
		wp_add_dashboard_widget(
			'wp_fail2ban_last_messages',
			__( '<span>[<i>WPf2b</i>] Last 5 Messages</span>', 'wp-fail2ban' ),
			__NAMESPACE__ . '\dashboard_widget_last_messages'
		);
		wp_enqueue_style( 'wp-fail2ban-last-messages', plugins_url( 'css/widgets.css', __FILE__ ) );
		wp_enqueue_script( 'wp-fail2ban-last-messages', plugins_url( 'js/widgets.js', __FILE__ ), array( 'jquery' ) );
	}
}
add_action( 'wp_dashboard_setup', __NAMESPACE__ . '\wp_dashboard_setup' );
add_action( 'wp_network_dashboard_setup', __NAMESPACE__ . '\wp_dashboard_setup' );